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Microsoft Teams logo

Microsoft Teams

Non-EU Service

Microsoft Corporation

teams.microsoft.com

Sovereign Alternatives(6)

Services you can run with full EU data sovereignty to replace Microsoft Teams

Full Replacements (2)

Rocket.Chat logo
31%
Mixed (>30% Non-EU)Self-HostableMIT
Chat & Messaging

Rocket.Chat

Open source communication platform for secure, self-hosted operations

45.3k

Why listed: United States-based but fully self-hostable. Deploy on EU servers for data sovereignty.

Coverage: Full
Mattermost logo
28%
Mixed (>30% Non-EU)Self-HostableMIT
Chat & Messaging

Mattermost

Open source collaboration platform for mission-critical operations

36.5k

Why listed: United States-based but fully self-hostable. Deploy on EU servers for data sovereignty.

Coverage: Full

Partial Replacements (4)

Element logo
44%
Adequacy
EU VC-BackedSelf-HostableApache-2.0
Chat & Messaging

Element

Secure messaging and collaboration built on the Matrix open standard

13.1k

Why listed: United Kingdom-based but fully self-hostable. Deploy on EU servers for data sovereignty.

Coverage: Partial
OpenTalk logo
35%
EU
Self-Hostable
Video Conferencing

OpenTalk

German GDPR-compliant video conferencing with BSI certification

Why listed: Germany-based but fully self-hostable. Deploy on EU servers for data sovereignty.

Coverage: Partial
Element Call logo
31%
Adequacy
Self-HostableApache-2.0
Chat & Messaging

Element Call

Decentralized video conferencing built on the Matrix protocol

947

Why listed: United Kingdom-based but fully self-hostable. Deploy on EU servers for data sovereignty.

Coverage: Partial